US2957323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling impulse clutch
Assignee: Reed Roller Bit Co
•
Filing: 1958-09-17
•
Granted: 1960-10-25
•
Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Charles H Elliott
- 👤 Richard E Eckman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:11
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14; B25B23/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1865356A
Cited
US2263709A
Cited
US2344673A
Cited
US2514227A
Cited
US2546633A
Cited
US2882704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |